.fl {
    float: left;
}
.fr	{
    float: right;
}
.w {
    width: 1200px;
    margin: 0 auto;
}
/*导航*/
.header {
    height: 80px;
    background-color: #fff;
    text-align: center;
    box-shadow: 0px 2px 4px 2px rgba(0,0,0,0.08);
}
.header .logo {
    font-size: 32px;
    line-height: 80px;
    margin-left: 40px;
}
.search {
    position: absolute;
    top: 25px;
    left: 50%;
    margin-left: -240px;
    border-radius: 4px;
}
.text {
    float: left;
    width: 286px;
    height: 34px;
    border: 2px solid #1875F0;
    color: #0F0F0F;
    padding-left: 10px;
    border-top-left-radius: 4px;
    border-bottom-left-radius: 4px;
}
.btn {
    float: left;
    width: 40px;
    height: 38px;
    background-color: #1875F0;
    border: 0;
    color: #fff;
    border-top-right-radius: 4px;
    border-bottom-right-radius: 4px;
}
.r_box {
    text-align: center;
}
.layui-icon-cart-simple {
    display: inline-block;
    font-size: 20px;
    margin-right: 20px;
    line-height: 80px;
}
.r_box span {
    margin-right: 120px;
}
.r_box span a {
    color: #1875F0;
}
/*尾部*/
.footer {
    height: 260px;
    background-color: #fff;
    margin-top: 20px;
}
.mod_help {
    height: 140px;
    border-bottom: 1px solid #ccc;
}
.mod_help_item {
    float: left;
    width: 150px;
    padding: 20px 0 0 150px;
}
.mod_help_item dt {
    font-size: 16px;
    color: #000;
    margin-bottom: 4px;
    height: 25px;
}
.mod_help_item dd {
    height: 22px;
}
.mod_copyright {
    text-align: center;
}
.mod_copyright_links {
    margin: 20px 0 15px 0;
}